| Patents for G04F 10 - Apparatus for measuring unknown time intervals by electric means (2,136) |
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| 03/18/1998 | CN1176416A Time measurement device |
| 03/11/1998 | EP0828204A1 High resolution clock circuit |
| 03/05/1998 | DE19738541A1 Electronic timer, especially for differential pressure sensors |
| 03/04/1998 | EP0827051A2 Time interval measurement system and method applied therein |
| 02/26/1998 | WO1998008052A1 Compact laser-based distance measuring apparatus |
| 02/11/1998 | EP0823678A1 Time measuring device |
| 02/10/1998 | US5717659 Device for measuring the duration of a time slot |
| 01/29/1998 | DE19707379A1 Time management and logging system for different activities |
| 01/27/1998 | US5712582 Test signal generator having timing calibration circuit |
| 01/14/1998 | EP0818755A1 Electronic timing device |
| 12/30/1997 | US5703838 Vernier delay line interpolator and coarse counter realignment |
| 12/30/1997 | US5703678 Self-calibrating precision timing circuit and method for a laser range finder |
| 12/24/1997 | WO1997049010A1 Method and system for high resolution time-of-flight measurements |
| 12/04/1997 | DE19621900A1 Deactivated time determination for motor vehicle |
| 12/02/1997 | US5694377 For measuring a time interval between a first and second event |
| 11/18/1997 | US5689539 Time interval measurement system and a method applied therein |
| 11/18/1997 | US5689476 Telephone cost monitor |
| 11/12/1997 | CN2267472Y Apparatus for measuring unknown time interval |
| 11/11/1997 | US5685722 Electronic timing swimmer's goggles |
| 11/05/1997 | EP0804714A1 Laser range finder |
| 11/04/1997 | US5684760 Circuit arrangement for measuring a time interval |
| 11/04/1997 | US5684757 Electronic circuit device for anaysis of a digital signal from a rotational position transmitted |
| 10/29/1997 | CN2266144Y Off and on time metering device for portable circuit breaker |
| 10/23/1997 | WO1997039360A2 Apparatus and method for measuring time intervals with very high resolution |
| 10/08/1997 | CN2264378Y Intelligent microsecond meter |
| 09/25/1997 | DE19717332A1 Electronic two-speed chess timer |
| 09/23/1997 | US5671010 Apparatus for judging the order of arrival of racers at a goal in a race and the time taken for the race, having a plurality of line sensor cameras |
| 09/03/1997 | EP0793153A1 Precision time interval measurement system |
| 09/03/1997 | CN2261639Y Computer speeching stopwatch |
| 09/02/1997 | US5663933 Meter circuit |
| 09/01/1997 | CA2197399A1 A device for precisely measuring the duration of a time interval |
| 08/06/1997 | EP0788227A2 Timer apparatus |
| 07/23/1997 | EP0784833A1 Vehicle travel meter |
| 07/03/1997 | DE19605708C1 Event timing display with computation of predetermined intervals |
| 05/28/1997 | DE19620736C1 Electronic circuit for high resolution measuring of times using oscillator |
| 05/21/1997 | EP0366736B1 Timing system |
| 04/03/1997 | WO1997012299A1 Orthodontics headgear compliance monitor |
| 04/01/1997 | US5617373 Time totaling meter and unit of the same for internal combustion engine |
| 02/05/1997 | EP0757440A2 A time interval measurement system and a method applied therein |
| 01/30/1997 | WO1997003384A1 Method of timing a game of chess and a chess clock for carrying out the method |
| 01/28/1997 | US5598116 Of an input pulse signal |
| 01/15/1997 | CN1140491A Device and method for monitoring transit time of transported articles |
| 01/02/1997 | DE19625225A1 Timer for use in IC test unit for producing time signals with higher time resolution |
| 01/01/1997 | CN1139231A Propagation delay measuring circuit of signal for measuring |
| 11/27/1996 | EP0744030A1 Device and method for monitoring the transit time of transported articles |
| 11/12/1996 | US5574552 Self-calibrating precision timing circuit and method for a laser range finder |
| 10/30/1996 | EP0740234A2 Delta-T measurement circuit |
| 10/23/1996 | EP0600927B1 Race monitor |
| 10/22/1996 | US5568071 Pulse phase difference encoding circuit |
| 10/17/1996 | DE19614347A1 Swimming goggles with time-keeping facility |
| 10/16/1996 | EP0712508A4 Remotely actuatable sports timing system |
| 10/15/1996 | US5566139 Picosecond resolution sampling time interval unit |
| 10/14/1996 | CA2173920A1 Electronic timing swimmer's goggles |
| 09/03/1996 | US5552878 Electronic vernier for laser range finder |
| 08/28/1996 | EP0729082A1 Very precise chrono-measurement of an event |
| 08/28/1996 | EP0728260A1 Electronic metering circuit |
| 08/13/1996 | US5546305 Motor vehicle driving analytically diagnosing method and device |
| 07/25/1996 | WO1996022509A1 Laser range finder |
| 07/18/1996 | DE19600569A1 Pulse width measurement using eight-bit serial microprocessor |
| 06/19/1996 | EP0717329A2 Circuit arrangement for measuring a time interval |
| 05/28/1996 | CA1338359C Vehicle timing system |
| 05/22/1996 | EP0712508A1 Remotely actuatable sports timing system |
| 05/15/1996 | CN1122453A Apparatus for measuring a pulse duration |
| 04/24/1996 | EP0708418A2 Time totaling meter for internal combustion engines |
| 04/24/1996 | EP0708388A2 Stop watch and clocking system |
| 04/23/1996 | US5511047 High resolution timer using low resolution counter |
| 04/22/1996 | CA2152124A1 Stop watch and clocking system |
| 04/11/1996 | WO1996010806A1 Vehicle travel meter |
| 04/10/1996 | EP0706100A1 Time interval measuring device |
| 03/19/1996 | US5500834 Device for measuring time lapse after turn off of power source and method thereof |
| 01/03/1996 | EP0690583A2 High speed A/D converter and slew controlled pulse detector |
| 12/19/1995 | US5476427 Pace display device |
| 11/10/1995 | CA2127152A1 Labor monitoring device |
| 11/02/1995 | EP0679221A1 Electronic counting circuit for the timed measurement of a digital signal |
| 09/14/1995 | WO1995024676A1 Chess clock |
| 08/24/1995 | DE4405715A1 Time measurement display incorporating average speed for sports events |
| 08/24/1995 | DE4405714A1 Time measurement system with stop-timer facility and variable display |
| 08/24/1995 | DE4404195C1 Vorrichtung und Verfahren zur Überwachung der Laufzeit von Transportgütern Apparatus and method for monitoring the transit time of transported goods |
| 08/22/1995 | US5444674 Hand held decimal timer with improved frequency division |
| 08/17/1995 | WO1995022061A1 Device and method for monitoring the transit time of transported articles |
| 08/15/1995 | US5442669 Perishable good integrity indicator |
| 08/03/1995 | WO1995020778A1 Timer arrangements |
| 07/12/1995 | EP0662650A2 Means for measuring short time intervals |
| 05/30/1995 | US5420831 Coho device for improving time measurement resolution |
| 05/30/1995 | US5420830 Chess clock |
| 05/18/1995 | WO1995013465A1 Electronic metering circuit |
| 05/16/1995 | US5416814 Elapsed time recording device |
| 05/04/1995 | WO1995012063A1 Electronic counting circuit for the timed measurement of a digital signal |
| 04/26/1995 | EP0650256A2 Apparatus for producing an indication of a time difference |
| 04/18/1995 | US5408446 Stopwatch with target time function |
| 04/11/1995 | US5406131 Exponential circuit |
| 04/04/1995 | US5404341 Time measurement apparatus |
| 03/23/1995 | WO1995002169A3 Measuring the time of flight of a signal |
| 03/22/1995 | EP0643604A1 Golf equipment |
| 02/23/1995 | WO1995005625A1 Remotely actuatable sports timing system |
| 02/15/1995 | EP0638344A1 Secure system for interactive game participation with verification of event chronology |
| 02/14/1995 | US5388445 Method for determining arrival and amplitude of a wave front and apparatus therefor |
| 01/24/1995 | US5384541 Precision timed delay measurement using phaselocked CW technique |
| 01/19/1995 | WO1995002169A2 Measuring the time of flight of a signal |
| 01/10/1995 | US5381389 Timekeeping system for timing of a start signal |